Based upon given criteria, incoming messages can have different background colors in the message list. This helps to easily distinguish who the messages are from, especially for mailing lists.
To set this up:
- Go to Options > Message Highlighting
- Assign a name to your new highlight style
- Select your criteria and colouring
Note: The match is case-insensitive, and will match a header containing the search string anywhere within it. Do not use wild cards or regular expressions.